Remove no-longer-needed tests

Author: marijnvanwezel

tests/unit/Clauses/UnionClauseTest.php

@@ -11,7 +11,6 @@
 
 use PHPUnit\Framework\TestCase;
 use WikibaseSolutions\CypherDSL\Clauses\UnionClause;
-use WikibaseSolutions\CypherDSL\Query;
 
 /**
  * @covers \WikibaseSolutions\CypherDSL\Clauses\UnionClause
@@ -33,32 +32,6 @@ public function testAll(): void
         $this->assertEquals('UNION ALL', $union->toQuery());
     }
 
-    public function testUnionFactory(): void
-    {
-        $nodeX = Query::node('X')->withVariable('x');
-        $nodeY = Query::node('Y')->withVariable('y');
-
-        $left = Query::new()->match($nodeX)->returning($nodeX->getVariable());
-        $right = Query::new()->match($nodeY)->returning($nodeY->getVariable());
-
-        $query = UnionClause::union($left, $right);
-
-        $this->assertEquals('MATCH (x:X) RETURN x UNION MATCH (y:Y) RETURN y', $query->toQuery());
-    }
-
-    public function testUnionFactoryAll(): void
-    {
-        $nodeX = Query::node('X')->withVariable('x');
-        $nodeY = Query::node('Y')->withVariable('y');
-
-        $left = Query::new()->match($nodeX)->returning($nodeX->getVariable());
-        $right = Query::new()->match($nodeY)->returning($nodeY->getVariable());
-
-        $query = UnionClause::union($left, $right, true);
-
-        $this->assertEquals('MATCH (x:X) RETURN x UNION ALL MATCH (y:Y) RETURN y', $query->toQuery());
-    }
-
     public function testSetAllDefaultIsTrue(): void
     {
         $union = new UnionClause();